1 files changed, 104 insertions, 0 deletions
diff --git a/shared_cpp/Renderer3d.cpp b/shared_cpp/Renderer3d.cpp
new file mode 100644
index 0000000..7afaea0
--- /dev/null
+++ b/shared_cpp/Renderer3d.cpp
@@ -0,0 +1,104 @@
+#include "Renderer3d.h"
+#include "Camera3d.h"
+#include "WebglContext.h"
+
+const char* vertexSrc =
+	"attribute vec3 position;\n"
+	"attribute vec3 normal;\n"
+	"attribute vec4 color;\n"
+	"uniform mat4 projection;\n"
+	"uniform mat4 view;\n"
+	"uniform mat4 model;\n"
+	"varying lowp vec4 VertexColor;\n"
+	"varying lowp vec3 VertexNormal;\n"
+	"void main() { \n"
+	"    vec4 fragmentPosition = projection * view * model * vec4(position, 1);"
+	"    gl_Position = fragmentPosition;\n"
+	"    VertexColor = color;\n"
+	"    VertexNormal = normal;\n"
+	"}\n";
+
+const char* fragmentSrc = 
+	"varying lowp vec4 VertexColor; \n"
+	"varying lowp vec3 VertexNormal; \n"
+	"void main() { \n"
+	"    gl_FragColor = VertexColor; \n"
+	"}";
+
+
+void Renderer3d::load(WebglContext* context) {
+	printf("Compiling 3d shader...\n");
+
+	shader = loadShader(vertexSrc, fragmentSrc);
+
+	useShader(shader);
+	attributes.position = getShaderAttribute(shader, "position");
+	attributes.color = getShaderAttribute(shader, "color");
+	attributes.normal = getShaderAttribute(shader, "normal");
+
+	uniforms.projection = getShaderUniform(shader, "projection");
+	uniforms.view = getShaderUniform(shader, "view");
+	uniforms.model = getShaderUniform(shader, "model");
+
+	printf("3d shader compiled.\n");
+}
+
+void Renderer3d::render(Camera3d* camera) {
+	glEnable(GL_DEPTH_TEST);
+	glDepthFunc(GL_LEQUAL);
+	glDepthMask(GL_TRUE);
+	glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
+	glClearDepth(1.0f);
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+	useShader(shader);
+	setShaderMat4(uniforms.projection, camera->projection);
+	setShaderMat4(uniforms.view, camera->view);
+}
+
+void Renderer3d::unload() {
+	glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
+    glClear(GL_COLOR_BUFFER_BIT);
+	glDeleteProgram(shader);
+}
+
+void Mesh3d::load(Vertex3d* inVertices, uint32 inNumVertices, uint32* inIndices, uint32 inNumIndices, Renderer3d* renderer) {
+	numIndices = inNumIndices;
+	useShader(renderer->shader);
+
+	glGenVertexArrays(1, &vao);
+	glBindVertexArray(vao);
+
+	glGenBuffers(1, &vbo);
+	glGenBuffers(1, &ebo);
+	
+	glBindBuffer(GL_ARRAY_BUFFER, vbo);
+	glBufferData(GL_ARRAY_BUFFER, inNumVertices * sizeof(Vertex3d), &inVertices[0], GL_STATIC_DRAW);
+
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo);
+	glBufferData(GL_ELEMENT_ARRAY_BUFFER, inNumIndices * sizeof(uint32), &inIndices[0], GL_STATIC_DRAW);
+
+	glEnableVertexAttribArray(renderer->attributes.position);
+	glVertexAttribPointer(renderer->attributes.position, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex3d), (GLvoid *)0);
+
+	glEnableVertexAttribArray(renderer->attributes.normal);
+	glVertexAttribPointer(renderer->attributes.normal, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex3d), (GLvoid *)offsetof(Vertex3d, normal));
+
+	glEnableVertexAttribArray(renderer->attributes.color);
+	glVertexAttribPointer(renderer->attributes.color, 4, GL_FLOAT, GL_FALSE, sizeof(Vertex3d), (GLvoid *)offsetof(Vertex3d, color));
+
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+	glBindVertexArray(0);
+}
+
+void Mesh3d::render(Renderer3d* renderer, GLenum drawType) {
+	setShaderMat4(renderer->uniforms.model, model);
+
+	glBindVertexArray(vao);
+	glDrawElements(drawType, numIndices, GL_UNSIGNED_INT, 0);
+	glBindVertexArray(0);
+}
+
+void Mesh3d::unload() {
+	glDeleteVertexArrays(1, &vao);
+	glDeleteBuffers(1, &vbo);
+}